package com.learn.spring5.config;

import com.alibaba.druid.pool.DruidDataSource;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import javax.sql.DataSource;

@Configuration // 配置类
@ComponentScan(basePackages = "com.learn") // 组件扫描
@EnableTransactionManagement // 开启事务
public class TxConfig
{
	// 创建数据库连接池
	@Bean
	public DruidDataSource getDruidDataSource()
	{
		DruidDataSource dataSource = new DruidDataSource();
		dataSource.setDriverClassName("com.mysql.jdbc.Driver");
		dataSource.setUrl("jdbc:mysql:///user_db");
		dataSource.setUsername("root");
		dataSource.setPassword("123456");
		return dataSource;
	}

	// 创建JdbcTemplate对象
	@Bean
	public JdbcTemplate getJdbcTemplate(DataSource dataSource)
	{
		// 到ioc容器中根据类型找到dataSource
		JdbcTemplate jdbcTemplate = new JdbcTemplate();
		// 注入dataSource
		jdbcTemplate.setDataSource(dataSource);
		return jdbcTemplate;
	}

	// 创建事务管理器
	// @Bean
	// public DataSourceTransactionManager
	// getDataSourceTransactionManager(DataSource dataSource) {
	// DataSourceTransactionManager transactionManager = new
	// DataSourceTransactionManager();
	// transactionManager.setDataSource(dataSource);
	// return transactionManager;
	// }
}
